To retain the duplicate rows in the result set, you use the UNION ALL operator. I need query 2 to run using each result from query 1 in the where condition. Query result: The result of the query is 80. The following picture illustrates A UNION B: I want my web page to run the sqlquery1 and take the results of the query. Here is how I do it. Suppose, we have two result sets A(1,2) and B(2,3). An ETL is a software component in data warehouse system. Sub Queries – Sometimes called nested queries, these can be used to perform a separate search in the database showed results can be used in another query. To make the result set, the database system performs two queries and subtracts the result set of the first query from the second one. and how to do it ? Select "Title", "Num" from "Table" where "Id" in ( Select "Id" from "Table2" where "Id" in ( select distinct "Id" from "Table3" where foo-clause ) ) I think I read using an array ight be the answer but I dont know, please help. JOIN – You can use joins to combine columns from one or more queries into one result. Can someone help me to do this. Actually, another way of writing my first suggestion would be: What I want to do is take that list of 10 jobs, and use that as input into the following query to get the details of each failed run: - Using the result of this query, here we have written another query to identify the students who get better marks than 80. is there any way to do this? To eliminate the duplicate rows, the database system sorts the combined result set by every column and scans it for the matching rows located next to one another. The latest one, An Easier Way of Pivoting Data in SQL Server, inspired me to start exploring another option to transpose a result from a query. Using Result Of One Query In Another Sep 29, 2004. hi, i've tried searching on this but not having much luck, i'm trying to use the result of one and use it in another. plz i really need this query to continue my project Navigate: Previous Message • Next Message The outer query retrieves all rows from the PRODUCT table that have a lower list price than the average list price. how to do that ? In order to use the MINUS operator, the columns in the SELECT clauses must match in number and must have the same or, at least, convertible data type.. We often use the MINUS operator in ETL. The first sql query runs on DB1 that exists on server1. I have a sql query that returns some values and I need to use those values as inputs to another SQL select statement. I need to make three select queries over three different tables, using the outputs of each select query, the catch is each one gives multiple results. The subquery returns a single value: the average list price in the PRODUCT table. I like Phil Factor’s articles. So for example, i would use the result of this query and store it in a variable called @tmp_id (if possible) There are many situations in which the results of a query look better when they are rotated. The first query output looks something like this: 2 5 7 8 query is like: select something from somewhere where field = '2'; Then I need to run another query: select something from somewhere else where field = 'result of the last query output'; I can do this with php, but i'm wondering if there's a one shot way to do it through mysql? UNION – Use Unions and other set operators to combine rows from one or more queries into one result. i have to use query cascades ? 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